K28Gastrojejunal ulcer
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use K28 directly
Use the most specific code supported by the record.
- Chapter XI
- Diseases of the digestive system
- Group K20-K31
- Diseases of oesophagus, stomach and duodenum
- Official Vietnamese name
- Loét dạ dày - hỗng tràng
- Additional WHO coding guidance
- [See at the beginning of this block for subdivisions] Incl.: ulcer (peptic) or erosion: anastomotic gastrocolic gastrointestinal gastrojejunal jejunal marginal stomal Excl.: primary ulcer of small intestine (K63.3)
Related K28 codes
K28.0
Primary diagnosis candidate
Gastrojejunal ulcer, acute with haemorrhage
K28.1
Primary diagnosis candidate
Gastrojejunal ulcer, acute with perforation
K28.2
Primary diagnosis candidate
Gastrojejunal ulcer, acute with both haemorrhage and perforation
K28.3
Primary diagnosis candidate
Gastrojejunal ulcer, acute without haemorrhage or perforation
K28.4
Primary diagnosis candidate
Gastrojejunal ulcer, chronic or unspecified with haemorrhage
K28.5
Primary diagnosis candidate
Gastrojejunal ulcer, chronic or unspecified with perforation
K28.6
Primary diagnosis candidate
Gastrojejunal ulcer, chronic or unspecified with both haemorrhage and perforation
K28.7
Primary diagnosis candidate
Gastrojejunal ulcer, chronic without haemorrhage or perforation
K28.9
Primary diagnosis candidate
Gastrojejunal ulcer, unspecified as acute or chronic, without haemorrhage or perforation
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
